CN213391763U

CN213391763U - Lifting door for cement processing

Info

Publication number: CN213391763U
Application number: CN202021896674.1U
Authority: CN
Inventors: 杨朝林
Original assignee: Sichuan Qianwei Baoma Cement Co ltd
Current assignee: Sichuan Qianwei Baoma Cement Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-06-08
Anticipated expiration: 2030-09-02

Abstract

The utility model relates to the technical field of cement processing, and discloses a lifting door for cement processing, which comprises a door frame, wherein the door frame comprises two door frame grooves which are oppositely arranged, and a door plate is connected between the two door frame grooves in a sliding way; two door columns extend downwards from two sides of the door panel; the two door posts are both connected in the two door frame grooves in a sliding manner; the door frame groove comprises two opposite side walls, and sliding grooves are oppositely formed in the two side walls of the door frame groove; the bottom of the gate post is provided with a guide structure, and one guide structure comprises a front guide wheel and a rear guide wheel which respectively extend into the two sliding grooves; a hydraulic cylinder for pushing the gate post up and down is arranged below the gate post; and a piston rod of the hydraulic cylinder is in contact with the bottom surface of the gate post. The utility model discloses the required problem in the unsuitable cement processing field of current overhead door area little has effectively been solved.

Description

Lifting door for cement processing

Technical Field

The utility model relates to a cement processing technology field, concretely relates to overhead door for cement processing.

Background

At present, the production and processing of cement are very mature industries. In the cement production and processing process, because of pollution of dust and the like caused by cement and raw materials, the cement production and processing places have very large area and very high height due to the requirements of environmental protection and safety. Especially for the use places of some important equipment, in order to facilitate the overhaul, not only the space of the place is needed to be large, but also the area of the door is needed to be very large, and in order to save the space, the lifting door is generally selected.

However, the existing lifting door is mostly used in places such as markets, the size is very small, and the requirements of cement processing places cannot be met. Some cement processing plants directly use the steel plate as the door, and use the pulley and the iron chain to lift the steel plate up and down to achieve the purpose of opening and closing the door.

However, such a lift gate presents a significant safety hazard. As the steel plate of the door plate, in order to have the heat preservation function, the steel plate generally adopts a solid structure, the length of the steel plate is about 10-50 meters, the height of the steel plate is about 10-50 meters, even in some special processing places, the area of the needed door plate is larger, the door plate is very heavy, the gravity borne by the pulley and the iron chain is very large, the abrasion is very serious, the pulley and the iron chain are excessively relied on, and the door plate is easy to fall under the condition of untimely maintenance.

In addition, the lifting door structure enables the door plate to lift very slowly, has large noise and is very inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a lifting door for cement processing to solve the problem that current lifting door takes place to fall easily.

The lifting door for cement processing in the scheme comprises a door frame, wherein the door frame comprises two opposite door frame grooves, and a door plate is connected between the two door frame grooves in a sliding manner; two door columns extend downwards from two sides of the door panel; the two door posts are both connected in the two door frame grooves in a sliding manner; the door frame groove comprises two opposite side walls, and sliding grooves are oppositely formed in the two side walls of the door frame groove; the bottom of the gate post is provided with a guide structure, and one guide structure comprises a front guide wheel and a rear guide wheel which respectively extend into the two sliding grooves; a hydraulic cylinder for pushing the gate post up and down is arranged below the gate post; and a piston rod of the hydraulic cylinder is in contact with the bottom surface of the gate post.

The scheme has the advantages that:

the hydraulic cylinder installed in the door frame groove supports the door post from bottom to top, so that the door plate can be supported more stably in the lifting process of the door plate, and the falling danger caused by the breakage of the pull rope when the door plate is lifted from the top is avoided. Simultaneously, because the setting of back leading wheel and preceding leading wheel makes more stable at the door plant lift in-process, avoids rocking.

The utility model discloses effectively solved, the potential danger problem of current structure.

Furthermore, the guide structure comprises a main shaft penetrating through the door post, and the front end and the rear end of the main shaft are respectively connected with the front guide wheel and the rear guide wheel; the main shaft is connected with a side shaft which extends outwards in the lateral direction, and the side shaft is connected with a side wheel; the side shaft is connected to the main shaft in a sliding mode, and the side wheels are in contact with the bottom of the doorframe groove.

For the end position of the track, a triangular structure is formed by the two guide wheels and the side wheels, and the stability of the triangle can enable the guide wheels to be in a relatively stable state, so that the stable lifting of the door panel is facilitated.

Furthermore, guide grooves are formed in the rear guide wheel and the front guide wheel.

Through the guide way, make back leading wheel and preceding leading wheel can be connected with the spout better, lead.

Further, the guide groove is an annular groove arranged at the circumferential positions of the rear guide wheel and the front guide wheel.

The annular groove is arranged, so that the rear guide wheel and the front guide wheel can lift along the sliding groove.

Furthermore, the notch of the guide groove gradually becomes smaller towards the groove bottom, and the notch is open.

The guide groove can be aligned with the protruding structure on the sliding groove conveniently and can move up and down along the sliding groove guide.

Furthermore, the bottom both sides of door frame are equipped with preceding locating wheel and rear locating wheel, the bottom surface of preceding locating wheel and rear locating wheel is with the bottom surface parallel and level of door frame.

The bottom of the door frame is provided with a front positioning wheel and a rear positioning wheel to fix the door frame.

Further, the bottom of door frame is equipped with the bottom shaft, the both ends of bottom shaft are connected preceding locating wheel and back locating wheel respectively.

The front positioning wheel and the rear positioning wheel are connected through a bottom shaft.

Furthermore, be equipped with the arch in the spout, the guide way reciprocates along the arch.

The accurate direction of being convenient for avoids producing the noise.

Furthermore, the bulges are multiple, and the bulges in each sliding groove are vertically arranged from bottom to top to form a step-shaped structure.

The stepped structure is convenient for increasing the bearing capacity of the door frame in the lifting process, so that the bearing capacity of the rail cannot be influenced in the lifting process.

Drawings

Fig. 1 is a schematic view of a first embodiment of the present invention.

Fig. 2 is a schematic view of a connection structure in a single doorframe groove in the embodiment of the present invention.

Fig. 3 is a schematic view of a connection structure of a spindle according to a first embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a main shaft 1, a rear guide wheel 2, a front guide wheel 3, a side wheel 41, a side shaft 51, a hydraulic cylinder 7, a piston rod 8, a partition plate 10, a sliding chute 11, a bottom shaft 12, a front positioning wheel 13, a rear positioning wheel 14, a door frame 100, a door panel 101 and a door post 102.

The embodiment is basically as shown in the attached figure 1: the lifting door for cement processing in the embodiment comprises a door frame 100 formed by a wall, wherein vertical door frame 100 grooves are formed in opposite positions of the left side and the right side of the door frame 100. A door plate 101 is installed between the two door frames 100, the door plate 101 is of a rectangular structure, two door posts 102 are integrally connected to the left end and the right end of the door plate 101, and a part extending out of the door plate 101 is arranged on each door post 102 in a downward direction. The doorpost 102 is slidably coupled within a slot of the doorframe 100. The door frame 100 groove of the door frame 100 protrudes below the ground, and the doorpost 102 also protrudes below the ground when the door panel 101 is closed, i.e., when the bottom surface of the door panel 101 coincides with the ground.

As shown in fig. 2, a guide structure is installed at the bottom of the doorpost 102, and a hydraulic cylinder 7 for supporting the doorpost 102 downward is installed between the bottom surface of the doorpost 102 and the bottom surface of the groove of the door frame 100. The door frame 100 groove is a U-shaped groove structure, the door frame 100 groove has two side walls, and vertical sliding grooves 11 are formed in the two side walls.

The bottom of the door post 102 is connected with the piston rod 8 of the hydraulic cylinder 7, and the hydraulic cylinder 7 is installed in the groove of the door frame 100. A partition plate 10 is arranged between two side walls of a door frame 100 groove, a hydraulic cylinder 7 is tightly pressed in the door frame 100 groove, and a piston rod 8 of the hydraulic cylinder 7 penetrates through the partition plate 10 to be connected with an installation groove formed in the bottom surface of a door post 102.

The guiding structure comprises a main shaft 1 penetrating through a door post 102 in the front-back direction, the front end and the rear end of the main shaft 1 are respectively connected with a rear guide wheel 2 and a front guide wheel 3 for guiding, a side shaft 51 extending outwards in the side direction is connected to the main shaft 1, and a side wheel 41 is connected to the side shaft 51; the side shaft 51 is connected to the main shaft 1 in a sliding manner, and the side wheel 41 is abutted against the groove bottom position of the door frame 100.

And guide grooves are formed in the rear guide wheel 2 and the front guide wheel 3. The guide groove is an annular groove arranged at the circumferential positions of the rear guide wheel 2 and the front guide wheel 3. The notch of guide way diminishes towards the tank bottom gradually, and the notch is uncovered. In this embodiment, the vertical cross-sectional shape of the guide groove is an inverted "V" shape. Such a shape facilitates the contact of the guide groove with the projection on the rail.

In this embodiment, only one guide groove is formed in one wheel, and is located at the middle position of the wheel.

The two guide wheels are positioned in a sliding groove 11 formed in the side wall of the door frame 100, and the two guide wheels slide up and down in the sliding groove 11.

As shown in fig. 3, the side shaft 51 is connected to the main shaft 1 via an annular sleeve. The side shaft 51 is arranged obliquely downwards, and the included angle between the side shaft 51 and the vertical plane which is the longitudinal section of the main shaft 1 ranges from 10 degrees to 85 degrees. An arc-shaped groove for the side shaft 51 to swing up and down is formed at the circumferential position of the annular sleeve. During the guiding process, the side shaft 51 can adjust the included angle degree with the longitudinal section of the main shaft 1 according to the stress condition so as to better guide.

Example two

In this embodiment, the door frame 100 is not a wall body, but is made of a material such as those mentioned above, the door frame 100 is embedded in the wall body, in order to ensure the connection firmness of the door frame 100, a channel is opened at the bottom of the door frame 100, a bottom shaft 12 is connected in the channel, front and rear ends of the bottom shaft 12 are respectively connected with a front positioning wheel 13 and a rear positioning wheel 14 which are flush with the bottom surface of the door frame 100, and the door frame 100 is firmly embedded in the wall body through the front positioning wheel 13 and the rear positioning wheel 14.

Example two

In this embodiment, more than one guide groove is formed on the front guide wheel 3 and the rear guide wheel 2, and the guide grooves are uniformly distributed on the circumferential surfaces of the rear guide wheel 2 and the front guide wheel 3.

EXAMPLE III

In this embodiment, the bottom of the door post 102 is provided with a channel for the shaft to pass through, and the front side or the rear side of the channel is hollowed out at the side close to the end, so as to facilitate the extension of the side shaft 51 and the side wheel 41.

And the length of the hollow part of the channel accounts for less than one third of the length of the whole channel. In this embodiment, the length of the hollow portion is one half of the length of the entire channel.

Example four

In this embodiment, the guiding structure is not directly disposed at the bottom of the door post 102, but a push plate is slidably connected in the groove of the door frame 100 below the door post 102, the piston rod 8 directly contacts with the bottom surface of the push plate, and the guiding structure is disposed on the push plate.

EXAMPLE five

In this embodiment, the sliding groove 11 of the door frame 100 is provided with regularly distributed step structures, and the corresponding protrusions of the step structures are matched with the guide grooves. In the upward lifting, the guide groove is lifted upward along the stepped structure formed by the plurality of protrusions, so that the lifting stability of the doorpost 102 is improved, and the doorpost is prevented from falling from a high place.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The lifting door for cement processing comprises a door frame, wherein the door frame comprises two oppositely arranged door frame grooves, and a door plate is connected between the two door frame grooves in a sliding manner; the method is characterized in that: two door columns extend downwards from two sides of the door panel; the two door posts are both connected in the two door frame grooves in a sliding manner; the door frame groove comprises two opposite side walls, and sliding grooves are oppositely formed in the two side walls of the door frame groove; the bottom of the gate post is provided with a guide structure, and one guide structure comprises a front guide wheel and a rear guide wheel which respectively extend into the two sliding grooves; a hydraulic cylinder for pushing the gate post up and down is arranged below the gate post; and a piston rod of the hydraulic cylinder is in contact with the bottom surface of the gate post.

2. The lift gate for cement processing according to claim 1, wherein: the guide structure comprises a main shaft penetrating through the doorpost, and the front end and the rear end of the main shaft are respectively connected with the front guide wheel and the rear guide wheel; the main shaft is connected with a side shaft which extends outwards in the lateral direction, and the side shaft is connected with a side wheel; the side shaft is connected to the main shaft in a sliding mode, and the side wheels are in contact with the bottom of the doorframe groove.

3. The lift gate for cement processing according to claim 1, wherein: and guide grooves are formed in the rear guide wheel and the front guide wheel.

4. The lift gate for cement processing according to claim 3, wherein: the guide groove is an annular groove arranged at the circumferential positions of the rear guide wheel and the front guide wheel.

5. The lift gate for cement processing according to claim 4, wherein: the notch of guide way diminishes towards the tank bottom gradually, and the notch is uncovered.

6. The lift gate for cement processing according to claim 5, wherein: the bottom both sides of door frame are equipped with preceding locating wheel and rear locating wheel, the bottom surface of preceding locating wheel and rear locating wheel is the parallel and level with the bottom surface of door frame.

7. The lift gate for cement processing according to claim 6, wherein: the bottom of door frame is equipped with the bottom shaft, the both ends of bottom shaft are connected preceding locating wheel and back locating wheel respectively.

8. The lift gate for cement processing according to claim 3, wherein: be equipped with the arch in the spout, the guide way reciprocates along the arch.

9. The lift gate for cement processing according to claim 8, wherein: the bulges are multiple, and the bulges in each sliding groove are vertically arranged from bottom to top to form a stepped structure.